File printing method, device and system
The invention discloses a method, device and system for implementing document printing by embedded digital watermark information, comprising: obtaining dot array iamge data of a to-be-printed document; embedding digital watermark information into the dot array image data; and printing the dot array...
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Main Author | |
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Format | Patent |
Language | English |
Published |
18.04.2007
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a method, device and system for implementing document printing by embedded digital watermark information, comprising: obtaining dot array iamge data of a to-be-printed document; embedding digital watermark information into the dot array image data; and printing the dot array image data. And the printing course is simple and the printing has good flexibility; it need not manually separate picture contents from character contents, further raising working efficiency; it has a wide application range and brings about very great convenience to the most common office document printout. Further, it prevents the possibility of modifying and destroying the watermark information inserted in important documents, thus largely enhancing safety coefficient and having important application value. |
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Bibliography: | Application Number: CN20061114303 |